Siddharth Poly Foam Private Limited manufactures Mattress Protector for Sleep Mattresses. Siddharth Poly Foam Private Limited is an ISO 9001: 2000 certified company. The Mattress Protector for Sleep Mattresses is an item of removable bedding that sits on top of mattress to provide protection to the mattress. The mattress protectors also provide protection to the individual sleeping on the mattress from allergens and intents such as dust mites, bed bugs, mold, and dead skin [like dandruff].